Refactor the database, in preparation to moving to postgresql

database/migrations/2021_06_18_133000_update_users.php

@@ -14,13 +14,11 @@ class UpdateUsers extends Migration
     public function up()
     {
 		Schema::table('users', function (Blueprint $table) {
+			$table->boolean('admin')->nullable();
 			$table->text('pgp_pubkey')->nullable();
 			$table->boolean('active')->default(TRUE);
 			$table->dateTime('last_on')->nullable();
-		});
-
-		Schema::table('systems', function (Blueprint $table) {
-			$table->dateTime('last_session')->nullable();
+			$table->string('alias')->nullable();
 		});
     }
 
@@ -32,11 +30,8 @@ class UpdateUsers extends Migration
     public function down()
     {
 		Schema::table('users', function (Blueprint $table) {
-			$table->dropColumn(['pgp_pubkey','active','last_on']);
-		});
 
-		Schema::table('systems', function (Blueprint $table) {
-			$table->dropColumn(['last_session']);
+			$table->dropColumn(['admin','pgp_pubkey','active','last_on']);
 		});
     }
 }